BLUE HILL METEOROLOGICAL OBSERVATORY
MILTON, MASSACHUSETTS 02186
ELEVATION 635 FEET, 10 MILES SSW OF BOSTON, MA

DAILY DISCUSSION AND CLIMATE SUMMARY
THURSDAY, JANUARY 15, 2004      
ALL TIMES ARE IN EASTERN STANDARD TIME

The early afternoon temperature is struggling into the single
numbers...about 3 to 4 degrees by 1 p.m. but not much wind.

A record low maximum temp. of 5 degrees yesterday beats the
previous record of 12 degrees for the date in 1914 and 1988.
This morning's low reading so far is -4.2 deg. in the Hazen
shelter at 6;34 a.m.  The high reading so far for the day is
zero degrees at midnight.  The record low maximum temperature
for today is 7 above zero in 1957 and 1965.
The record low minimum for today is 16 below zero in 1957.

Yesterday's mean temp. of -2 degrees was 28 degrees colder
than normal.


1/15/2004 THU
BHO SA 1155 -X E55 OVC 3S- 097/-4/-9/3414G20/982/ S3 FEW LWR SC
WND 30V36 TOTAL NEW SNW PST 24 HRS 0.5 IN/ WINDCHILL -24/ 8/52//
4/001 55012 ASOS 6 GRP NOT REPORTED MANUAL 6002/ ASOS 70001
MANUAL 70003 10000 21004

BHO SA 1455 220 SCT 250 -OVC 35 100/0/-15/3311/983/ FEW SC OFFSHR DSNT NE-E
BINOVC W-N LGT HAZE VSBY WNW 45 NE-SE 25 WND 30V01/ 8/507/ 50003 MANUAL 6000/


WEATHER SUMMARY FOR WEDNESDAY, JANUARY 14 2004

TEMPERATURE (DEGREES F)
MAX..... 5    NORMAL.....34    ASOS.....21 AT  12:10 AM
MIN.....-8    NORMAL.....18    ASOS.....-3 AT  7:43  AM
MEAN.... -2   NORMAL.....26
DEPARTURE FROM 30-YEAR NORMAL......-28
TOTAL DEPARTURE FOR THE MONTH......-81 DEG. or 6.0 COLDER THAN NORMAL PER DAY

HEATING DEGREE DAYS
TOTAL HEATING DEGREE DAYS FOR YESTERDAY.......67
TOTAL HEATING DEGREE DAYS FOR THE MONTH......623
TOTAL HEATING DEGREE DAYS FOR THE SEASON....2743   DEPARTURE...-126
TOTAL HEATING DEGREE DAYS FOR LAST SEASON...2916   DIFFERENCE..-173

PEAK GUST AND AVERAGE WIND SPEED (MPH)
PEAK WIND GUST FOR YESTERDAY........39 WNW AT 12:03AM
                    AEROVANE.........40 WNW AT 12:03AM
                    ASOS.............39 WNW AT 12:00AM
FASTEST MILE FOR YESTERDAY..........26 WNW AT 12:03AM
MAXIMUM 2-MINUTE ASOS AVERAGE.......33 WNW AT 11:55PM (13)
AVERAGE WIND SPEED AND DIRECTION... 12.6 MPH WNW
                    ASOS............ 12.5

PRECIPITATION (INCHES)
TOTAL PRECIPITATION 24 HRS ENDING 7 A.M....0.03
                          ASOS..............0.01
TOTAL PRECIPITATION FOR THE MONTH..........1.29   DEPARTURE....-0.87
                          ASOS..............1.07
TOTAL PRECIPITATION FOR THE YEAR...........1.29   DEPARTURE....SAME AS ABOVE
                          ASOS..............1.07   [ corrected ]

SNOWFALL (INCHES)
TOTAL SNOWFALL FOR 24 HRS ENDING 7 A.M.... 0.5
TOTAL SNOWFALL FOR THE MONTH.............. 3.7
TOTAL SNOWFALL FOR DECEMBER...............29.7
TOTAL SNOWFALL FOR THE SEASON.............33.9

PRELIMINARY CLIMATE SUMMARY FOR JANUARY, 2004
CALENDAR DAY DATA

DATA REPORTED:
DATE  MAX/MIN/MEAN/DEP/PRECIP/SNOW/SUN(MIN.)/SUN(%)/ PEAK GUST/AERO GUST

AERO: Aerovane recording wind system when significant
TSTM: Thunderstorm day
....: Data not yet available

1/1   41/30/36/+09/0.00/0.0/461/84/  35 WNW
1/2   35/28/32/+05/0.08/0.6/000/00/  18 SSW
1/3   45/33/39/+12/0.15/0.0/000/00/  21 SSW
1/4   47/32/40/+13/0.28/T /000/00/   23 WNW
1/5   34/30/32/+05/0.58/0.4/000/00/  25 ENE
1/6   32/16/24/-2/0.06/0.6/514/93/   43 WNW  Aerovane 45 MPH WNW
1/7   20/12/16/-10/T/T/404/73        37 W
1/8   18/06/12/-10/0/0/.../../       51 W
1/9   05/-4/01/-25/0/0/.../../       36 NW
1/10  10/-7/02/-24/0/0/.../../       32 WNW
1/11  21/-4/09/-17/0/0/.../../       30 SSW
1/12  30/20/25/-1/.10/1.4/.../../    25 SW
1/13  38/5/21/-4/.001/.2/.../../     61 WNW
1/14  5/-8/-2/-28/0/0/.../../        39 WNW

OUR DAILY EXTREMES
temp. data back to 1886
wind data back to 1940 *
* "e" denotes estimated peak gust


RECORDS FOR JANUARY 15
HIGH 64F IN 1995
LOW -16F IN 1957
PRECIP 2.63 INS. IN 1958
SNOWFALL 8.8 INS. IN 1983
PEAK GUST 69e MPH SE IN 1940

RECORDS FOR JANUARY 16
HIGH 63F IN 1995
LOW -10F IN 1920
PRECIP 1.32 INS. IN 1936
SNOWFALL 14.0 INS. IN 1965
PEAK GUST 79 MPH WNW IN 1960


TODAY'S REPORT BY: Robert Skilling/ Steve O'Clair